(19)

(11)

EP 3 484 605 A1

(12)

(43) Date of publication: 22.05.2019 Bulletin 2019/21 (21) Application number: 17743376.0 (22) Date of filing: 07.07.2017

(51) International Patent Classification (IPC):  B01F 5/04(2006.01) C01B 11/02(2006.01) B01J 7/02(2006.01) C02F 1/76(2006.01) (86) International application number: PCT/GB2017/000103 (87) International publication number: WO 2018/011532 (18.01.2018 Gazette 2018/03)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 12.07.2016 GB 201612077 (71) Applicant: Gaffey Technical Services Limited Accrington, Lancashire BB5 6NT (GB)	(72) Inventors: GAFFEY, Philip Accrington Lancashire BB5 6NT (GB) COLE, Maxwell Accrington Lancashire BB5 6NT (GB) (74) Representative: Bray, Lilian Janet  L.J. Bray & Co. Raw Holme Midgehole Road Hebden Bridge West Yorkshire HX7 7AF Hebden Bridge West Yorkshire HX7 7AF (GB)